Guanyinsi Subdistrict () is a subdistrict in the northern portion of Daxing District, Beijing, China. It is located at the south and west of Xihongmen Town, north of Tiangongyuan Subdistrict and Huangcun Town, northeast of Xingfeng and Linxiaolu Subdistricts, and east of Qingyuan and Gaomidian Subdistricts. In the year 2020, it had a total population of 111,225.
The name of this subdistrict is referring to a temple dedicated to Guanyin within its borders.
In 2021, Guanyinsi Subdistrict comprised 21 communities: